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PM8803 - STMicroelectronics

Description: IEEE 802.3at compliant PD interface  Works with power supplied from Ethernet LAN cables or from local auxiliary sources  Successful IEEE802.3at Layer1 classification indicator  Integrated 100 V, 0.45 Ω, 1 A hot-swap MOSFET  Accurate 140 mA typ. inrush current level  Programmable classification current  Programmable DC current limit up to 1 A  Integrated high voltage start-up bias regulator  Thermal shutdown protection  Current mode pulse width modulator  Programmable oscillator frequ

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PM8803 - STMicroelectronics - PCB symbol
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PCB Footprints
PM8803 - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - HTSSOP20*
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3D Models
PM8803 - STMicroelectronics - 3D model - Small Outline Packages - HTSSOP20*
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PM8803 Details

  • Manufacturer Part Number:

    PM8803

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Package Description:

    ROHS COMPLIANT, HTSSOP-20

  • Pin Count:

    20

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    25 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    6.8

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Min:

    32.5 V

  • Input Voltage-Nom:

    48 V

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Equivalence Code:

    TSSOP20,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    SINGLE

  • Switching Frequency-Max:

    1000 kHz

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    40

  • Width:

    4.4 mm

PM8803 Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN5323, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure optimal heat dissipation.
  • The PM8803 can be configured using the I2C interface to set the output voltage and current limits. The STMicroelectronics software development kit (SDK) provides a graphical user interface (GUI) to configure the device, and the datasheet provides a detailed description of the I2C commands and registers.
  • The PM8803 can handle input voltages up to 28V, but the recommended operating range is 12V to 24V. Exceeding the maximum input voltage can damage the device.
  • The PM8803 has a built-in overcurrent protection feature that can be enabled through the I2C interface. The device can be configured to limit the output current to a specific value, and the OCP (Overcurrent Protection) pin can be used to monitor the output current and trigger an interrupt when the current limit is exceeded.
  • Yes, the PM8803 can be used in a redundant power supply configuration. The device has a built-in ORing function that allows multiple PM8803 devices to be connected in parallel, providing redundancy and ensuring that the output voltage remains stable even if one device fails.

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PM8803 Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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